226591338 has 64 divisors (see below), whose sum is σ = 491065344. Its totient is φ = 69552000.

The previous prime is 226591301. The next prime is 226591357. The reversal of 226591338 is 833195622.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 226591296 and 226591305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 327573 + ... + 328263.

It is an arithmetic number, because the mean of its divisors is an integer number (7672896).

Almost surely, 2^226591338 is an apocalyptic number.

226591338 is an abundant number, since it is smaller than the sum of its proper divisors (264474006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

226591338 is a wasteful number, since it uses less digits than its factorization.

226591338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811.

The product of its digits is 77760, while the sum is 39.

The square root of 226591338 is about 15052.9511392285. The cubic root of 226591338 is about 609.6507343970.

The spelling of 226591338 in words is "two hundred twenty-six million, five hundred ninety-one thousand, three hundred thirty-eight".